.formContainer{
    width: 500px;
    height: 300px;
    background-color: rgba(0,0,0,0.7);
    position: fixed;
    top:50%;
    left: 50%;
    transform: translate(-50%,-50%);
    padding:20px;
}
.loginTitle{
    text-align: center;
    height: 80px;
    line-height:80px;
    font-size: 30px;
    color: #fff;
}